/Engine/Source/Runtime/Core/Public/Containers/SortedMap.h
Returns the key associated with the specified value. The time taken is O(N) in the number of pairs.
A pointer to the key associated with the specified value, or nullptr if the value isn't contained in this map (only valid until the next change to any key in the map).
const [KeyType](API\Runtime\Core\Containers\TSortedMap\KeyType) * FindKey ( [ValueInitType](API\Runtime\Core\Containers\TSortedMap\ValueInitType) Value ) const